x² - 3x - 28 = 0
This quadratic equation factors. You want two factors that multiply to give -28 and add to give -3. The factors are -7 and 4: (-7)(4) = -28 and -7 + 4 = -3
(x-7)(x+4) = 0
x = 7 and -4
Tashanda P.
asked • 10/09/18what is x to the second power - 3x - 28= 0
x2-3x-28= 0
Follow
•
1
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.